如何擷取sql的SUM()值?緊急!線上等!本人太菜有一個表test1欄位名num有三個欄位 111 222 333$sql=mysql_query("select SUM(num) from test1");$a=xxx($sql);接下來該用哪個函數xxx把666這個數取出來賦予變數啊???萬分感激------解決方案--------------------sql=mysql_query("select SUM(num) as t_sum from test1");$res = mysql_
php5.4.0的一些小問題晚上剛剛更新了php5.4.0,環境是Windows7 + Apache2.2 + MySQL5.1 + PHP5.4.0,php.ini沒有重新更新,仍然採用之前的版本(php5.2)如題,有兩個小問題:1,php5.4.0的命名空間空間問題:PHP code出現:Fatal error: Namespace declaration statement has to be the very first statement in the script in
有兩個小函數有一點不懂1.PHP codefunction GetFileList($model,$slevel) { $arr = array(); $sql="select * from boxfile where model = '$model' and slevel > $slevel order by slevel asc"; //die($sql); $rs =
php 中的function函數,不會用呢我的一個one.php頁面下:include("conn.php");$rs=mysql_query(" ( select op_values from table1 where op.id=11 )union ( select op_values from table2 where op.id=12) while($row=mysql_fetch_array($rs)){ echo
怎麼實現表格???從資料庫中得到表結構樣式:SQL codecol1 col2 col3 col4 a a1 a2 1.2589 a a1 a2 2.2510 a a1 a2 5.2502 a a1 a2 1.0058 a a1 a2 6.2589 b a1 a2 7.2589 b a1 a2 3.1247
使用PHPexcelreader出現的非法字元與逾時問題Notice: iconv() [function.iconv]: Detected an illegal character in input string in D:\WebSite\htdocs\phpExcelReader\Excel\reader.php on line 1055Fatal error: Maximum execution time of 30 seconds exceeded in